Hooray for non-sports walls! 
I've been going through the NASA Astronomy Picture of the Day archives for photos that work well as home/lock screens. When I find one, I try to only tweak it slightly by cropping, removing the noise and popping the contrast/saturation a smidge. I've only done a couple so far, but in order to keep track of what they're of and where I found them I'm putting them up at http://spacewalls.tumblr.com/ and figured you guys might enjoy some of them.
here's a few (if people like them i'll try and post more in the forum later today, but you can find more here now):
The Orion Nebula (M42/M43, NGC1976/1982)
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The Orion Nebula: Lock Screen crop
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Above Aurora Australis
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I've been going through the NASA Astronomy Picture of the Day archives for photos that work well as home/lock screens. When I find one, I try to only tweak it slightly by cropping, removing the noise and popping the contrast/saturation a smidge. I've only done a couple so far, but in order to keep track of what they're of and where I found them I'm putting them up at http://spacewalls.tumblr.com/ and figured you guys might enjoy some of them.
here's a few (if people like them i'll try and post more in the forum later today, but you can find more here now):
The Orion Nebula (M42/M43, NGC1976/1982)

The Orion Nebula: Lock Screen crop

Above Aurora Australis
